SLVSFS5A October   2021  – November 2021 TPSM63603

PRODUCTION DATA  

  1. 1 Features
  2. 2 Applications
  3. 3 Description
  4. 4 Revision History
  5. 5 Pin Configuration and Functions
  6. 6 Specifications
    1. 6.1  Absolute Maximum Ratings
    2. 6.2  ESD Ratings
    3. 6.3  Recommended Operating Conditions
    4. 6.4  Thermal Information
    5. 6.5  Electrical Characteristics
    6. 6.6  System Characteristics
    7. 6.7  Typical Characteristics
    8. 6.8  Typical Characteristics: VIN = 12 V
    9. 6.9  Typical Characteristics: VIN = 24 V
    10. 6.10 Typical Characteristics: VIN = 36 V
  7. 7 Detailed Description
    1. 7.1 Overview
    2. 7.2 Functional Block Diagram
    3. 7.3 Feature Description
      1. 7.3.1  Input Voltage Range
      2. 7.3.2  Adjustable Output Voltage (FB)
      3. 7.3.3  Input Capacitors
      4. 7.3.4  Output Capacitors
      5. 7.3.5  Switching Frequency (RT)
      6. 7.3.6  Output ON/OFF Enable (EN/SYNC) and VIN UVLO
      7. 7.3.7  Frequency Synchronization (EN/SYNC)
      8. 7.3.8  Spread Spectrum
      9. 7.3.9  Power Good Monitor (PG)
      10. 7.3.10 Adjustable Switch-Node Slew Rate (RBOOT/CBOOT)
      11. 7.3.11 Internal LDO, VCC Output, and VLDOIN Input
      12. 7.3.12 Overcurrent Protection (OCP)
      13. 7.3.13 Thermal Shutdown
    4. 7.4 Device Functional Modes
      1. 7.4.1 Shutdown Mode
      2. 7.4.2 Standby Mode
      3. 7.4.3 Active Mode
  8. 8 Applications and Implementation
    1. 8.1 Application Information
    2. 8.2 Typical Applications
      1. 8.2.1 Design 1: 3-A Synchronous Buck Regulator for Industrial Applications
        1. 8.2.1.1 Design Requirements
        2. 8.2.1.2 Detailed Design Procedure
          1. 8.2.1.2.1 Custom Design With WEBENCH® Tools
          2. 8.2.1.2.2 Output Voltage Setpoint
          3. 8.2.1.2.3 Switching Frequency Selection
          4. 8.2.1.2.4 Input Capacitor Selection
          5. 8.2.1.2.5 Output Capacitor Selection
          6. 8.2.1.2.6 Other Connections
        3. 8.2.1.3 Application Curves
      2. 8.2.2 Design 2: Inverting Buck-Boost Regulator with a –5-V Output
        1. 8.2.2.1 Design Requirements
        2. 8.2.2.2 Detailed Design Procedure
          1. 8.2.2.2.1 Output Voltage Setpoint
          2. 8.2.2.2.2 IBB Maximum Output Current
          3. 8.2.2.2.3 Switching Frequency Selection
          4. 8.2.2.2.4 Input Capacitor Selection
          5. 8.2.2.2.5 Output Capacitor Selection
          6. 8.2.2.2.6 Other Connections
        3. 8.2.2.3 Application Curves
        4. 8.2.2.4 EMI
          1. 8.2.2.4.1 EMI Plots
  9. 9 Power Supply Recommendations
  10. 10Layout
    1. 10.1 Layout Guidelines
    2. 10.2 Layout Example
      1. 10.2.1 Package Specifications
  11. 11Device and Documentation Support
    1. 11.1 Device Support
      1. 11.1.1 Third-Party Products Disclaimer
      2. 11.1.2 Development Support
        1. 11.1.2.1 Custom Design With WEBENCH® Tools
    2. 11.2 Documentation Support
      1. 11.2.1 Related Documentation
    3. 11.3 Receiving Notification of Documentation Updates
    4. 11.4 Support Resources
    5. 11.5 Trademarks
    6. 11.6 Electrostatic Discharge Caution
    7. 11.7 Glossary
  12. 12Mechanical, Packaging, and Orderable Information

Package Options

Mechanical Data (Package|Pins)
Thermal pad, mechanical data (Package|Pins)
Orderable Information

1 Features

  • Versatile synchronous buck DC/DC module
    • Integrated MOSFETs, inductor, and controller
    • Wide input voltage range of 3 V to 36 V
    • Adjustable output voltage from 1 V to 16 V
    • 4-mm × 6-mm × 1.8-mm overmolded package
    • –40°C to 125°C junction temperature range
    • Frequency adjustable from 200 kHz to 2.2 MHz using the RT pin or an external SYNC signal
    • Negative output voltage capability
  • Ultra-high efficiency across the full load range
    • 93% peak efficiency at 12 VIN, 5 VOUT,1 MHz
    • External bias option for improved efficiency
    • Shutdown quiescent current of 0.6 µA (typical)
  • Ultra-low conducted and radiated EMI signatures
    • Low-noise package with dual input paths and integrated capacitors reduces switch ringing
    • Spread-spectrum modulation (S suffix)
    • Resistor-adjustable switch-node slew rate
    • Constant-frequency FPWM mode of operation
    • Meets CISPR 11 and 32 class B emissions
  • Suitable for scalable power supplies
    • Pin compatible with the TPSM63602 (36 V, 2 A)
  • Inherent protection features for robust design
    • Precision enable input and open-drain PGOOD indicator for sequencing, control, and VIN UVLO
    • Overcurrent and thermal shutdown protections
  • Create a custom design using the TPSM63603 with the WEBENCH® Power Designer
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